On Fri, Sep 13, 2002 at 11:07:15AM +0100, Stuart Hughes wrote:
> Hi,
>
> I've been trying to debug a simple multi-threaded test program using
> gdb, and it always fails as follows:
>
> [New Thread 1024 (LWP
> 39)]
>
>
> Program received signal SIGTRAP, Trace/breakpoint
> trap.
> [Switching to Thread 1024 (LWP
> 39)]
> warning: Warning: GDB can't find the start of the function at
> 0xffffffff.
>
> I've tried various different compilers, gdb, glibc version but the
> problem is the same. Note that I can debug non-threaded c/c++ programs
> without any problem. My environment is as follows:
>
> CPU: NEC VR5432
> kernel: linux-2.4.10 + patches
> glibc: 2.2.3 + patches
Not enough patches I'd bet. Glibc 2.2.3 had an incorrect size listed
for elf_gregset_t, and it was fixed in 2.2.5. That would cause this
problem.
> gdb: 5.2/3 from CVS
> gcc: 3.1 (also tried 3.0.1)
> binutils: Version 2.11.90.0.25
>
> Does anyone have any idea what is wrong and how to fix it.
>
> Regards, Stuart
>
>
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
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